APA (7th ed.) Citation

B, S., & Spellberg, B. (2010). Geographic differences in Medicare spending. New England Journal of Medicine, 363(17), 1678. https://doi.org/10.1056/NEJMc1008500

Chicago Style (17th ed.) Citation

B, Spellberg, and Brad Spellberg. "Geographic Differences in Medicare Spending." New England Journal of Medicine 363, no. 17 (2010): 1678. https://doi.org/10.1056/NEJMc1008500.

MLA (9th ed.) Citation

B, Spellberg, and Brad Spellberg. "Geographic Differences in Medicare Spending." New England Journal of Medicine, vol. 363, no. 17, 2010, p. 1678, https://doi.org/10.1056/NEJMc1008500.

Warning: These citations may not always be 100% accurate.